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[PULL,08/11] linux-user: fixed getsockopt() optlen

Message ID 1389893719-16336-9-git-send-email-mjt@msgid.tls.msk.ru
State New
Headers show

Commit Message

Michael Tokarev Jan. 16, 2014, 5:35 p.m. UTC 
From: Pavel Zbitskiy <pavel.zbitskiy@gmail.com>

optlen parameter of getsockopt() of type socklen_t* was read into
variable of type socklen_t, that caused zeroing out of upper 4 bytes
when running s390x on top of x86_64. This patch changes optlen type
to abi_ulong.

Signed-off-by: Pavel Zbitskiy <pavel.zbitskiy@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 linux-user/syscall.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 0ac05b8..a9ce6ba 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2406,7 +2406,7 @@  static abi_long do_socketcall(int num, abi_ulong vptr)
             abi_ulong level;
             abi_ulong optname;
             abi_ulong optval;
-            socklen_t optlen;
+            abi_ulong optlen;
 
             if (get_user_ual(sockfd, vptr)
                 || get_user_ual(level, vptr + n)